ETC B2580

SAW Components
Data Sheet B2580
SAW Components
B2580
Spectrum Shaping Filter
140,0 MHz
Data Sheet
Metal package DIP 16
Features
● Spectrum shaping filter for digital radio systems
● Constant group delay
● Hermetically sealed metal package
Terminals
● Gold plated NiFeCo alloy
Dimensions in mm, approx. weight 4,2 g
Pin configuration
2
Input - ground
3
Input
10
Output - ground
11
Output
1, 5, 8, 9, 12, 16 Case - ground
6, 7, 14 15
Not connected
Type
Ordering code
B2580
B39141-B2580-E110
Marking and Package
according to
C61157-A7-A11
Packing
according to
F61074-V8073-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 40/+ 85
– 40/+ 85
0
15
2
˚C
˚C
V
dBm
source impedance 50 Ω
Apr 04, 2001
SAW Components
B2580
Spectrum Shaping Filter
140,0 MHz
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T = 40 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
Center frequency
(center between 10 dB points)
fC
139,85
140,00
Insertion attenuation at fC
αC
26,5
27,5
-0,027
max.
140,15 MHz
28,5
dB
—
dB/MHz
Pass band tilt
—
Deviation from theoretical frequency resp.1) ∆α
fC
... fC±(1-a)∗fY
fC
... fC±fY
—
—
± 0,1
± 0,2
± 0,2
± 0,3
—
1,5
2,0
dB
dB
∆ϕ
Phase ripple (p-p)
fC
...
fC±fY
Relative attenuation (relative to αC)
80,0 ... 105,0
105,0 ... 119,5
160,5 ... 180,0
180,0 ... 200,0
αrel
MHz
MHz
MHz
MHz
Reflected wave signal suppression
0,5 µs ... 2,5 µs after main pulse
45,0
40,0
39,0
45,0
52,0
43,0
42,0
51,0
—
—
—
—
dB
dB
dB
dB
50,0
55,0
—
dB
0,825
13,824
0,45
0,5
—
—
—
—
µs
MHz
—
ppm/K
Group delay at fC
Nyquist frequency
Roll-off factor
Partitioning factor
τC
fY
a
p
—
—
—
—
Temperature coefficient of frequency
TCf
—
1) Theoretical frequency response
H(x) = (S(x))p
1
S(x) =  (1+cos(π·(|x|-1+a)/2a))/2
0
x = (f-fC)/fY
˚
for
|x| ≤ 1-a
for 1-a < |x| < 1+a
for 1+a ≤ |x|
3
Apr 04, 2001
– 87
SAW Components
B2580
Spectrum Shaping Filter
140,0 MHz
Data Sheet
Normalized frequency response
Normalized frequency response
4
Apr 04, 2001
SAW Components
B2580
Spectrum Shaping Filter
140,0 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
5
Apr 04, 2001